Fountain pen



Patented dan. L39, i923,

anale aparaat cornice.,

ARTHURWINTER, 0F JERSEY CITY, NEXV JERSEY.

FOUNTAIN ran.

Application led May 16,

To @ZZ whom t muy conce/vt Be it lnown that I, ARTHUR lVIN'rnn, a citizen of the United States, residing .at Jersey City, county of Hudson, and State of New Jersey, have made a certain new and useful invention in Fountain Fens, of which the following` is a specification.

This invention relates to fountain pens and is more specifically directed to an improvement on the type of fountain pen shown and described in my co-pending application Serial No. 11385, tiled September so, 1920.

The object of my invention is to provide a fountain pen which is simple in structure, eilicient in opera-tion and economical in manufacture, and wherein replenishment of writing; fluid is obtained by the addition to the pen of water or the like by which replenishment a predetermined amount oi' concentrated ink material is fed into the pen coincidently therewith to form. a charge' olf writing' fluid in the barrel thereof.

Further objects of the invention will appear more fully hereinafter.

The invention consists substantially in the construction, combination, location and relative arragement of parts, all as will be more fully hereinafter set forth as shown in the accompanying` dra-wing;v and finally pointed out in the appended claims. v

Referring` to the drawing,

Figure ll is a view in section ofthe rear end of the fountain pen having` incorporated therein my present invention.

Figs. 2, 8, l and 5 illustrate sectional views of the detached part of the rea-r end of the fountain embodying" my invention and shown in Figure l.

The same part is designated by the same reference character wherever it occurs throughout the several views.'

In my co-pending7 application, Serial No. 363060,1iled hilarch 5, 1920, for fountain pen" l have shown and described a fountain pen structure wherein reservoir bag adapted to contain the writing fluid is employed in connection with means for compressing the bag; to cause the same by suction to draw water in one end thereof and at the same time when properly adjusted to draw concentrated ink material into the opposite end thereof. l

ln my izo-pending application, Serial No. 111385, filed September 20, 1920, I show the same principle applied to a different con- 1921. Serial No. 470,1S8.

struction wherein the maximum amount of concentrated ink material drawn into -the bag by suction is pre-estimated and definitely xed. In that structure, however, the ink material is fed into the same end` of the bag as is the water or other fluid. accomplish this l show and describe in the identified application a valve structure provided with a hollow stein through which the replenishing is drawn'.

l'n accordance with my li eliminate the use of a hollow stem therebv greatly simplifying` the construction and rendering thev same more economical to manufacture, by securing' the supply of inl material. into the baai at the opposite end to which the fluid is supplied.v l accomplish this by leaving the end of the barrel l which forms the pen body, opposite to fluid supplied to the pen bagv present invention,

the end which supports the pen point, open and interiorly threaded as clearly shown. l provide what l will term the inlr chamber 2, which is exterior-ly threaded as at 3 to he enabled to be screwed into the interior threads in the barrel l.

YWhile no not desire to be vlimitedor restricted in this respect, if so position the chamber 2 relative to the barrel l that the end are flush as clearly indicated in ig',- u 1e l. 4

The interior ofk the ink. chamber 2 is threaded at itsouter endras illustrated at e to receive therein the 'cap 5,' which vcloses the inlrchamber, but which may be unscrewed therefrom to allow ink material tol lbe supplied therein as and when required.'

For the sake of convenience and artistic appearance, I prefer to have'the cap 5 so formed as to complete vthe contour of the rear end of the fountain pen in the usual well known manner and as shown.

The ink chamber 2, in the case ot mv application Serial No.y H385 above identined, is provided with a partition wall 6, which partition wall is provided with a central orince therethrough, and 'from which extends the stem 8 provided at its end 'with a cone shaped head 9, the inner end of which is larger in diameter than the. orilice 7, so that the end surface of the partition 6 forms a limit of upward lmoi/erneut of the stem 8 relative to the ink chamber 2.

The inner end of the ink chamber 2, that is, as shown in F igure 4, the portion thereof which extends below the partition 6, is

lle

interiorly threaded to receive a threaded nut 10, provided with an orifice 11 extendincT lrherethrough. The nut 10 forms an adjustable limit stop for the movement of the stem 8 in a downward direction and at the same time permits, when the valve head 9 is raised therefrom, any inl; material which lies in the auxiliary chamber 12, formed `between the nut and the partition 6, to be drawn into the bag 13 by suction when the bag is depressed to draw, by suction, any fluid through the pen end thereof, provided, of course.y that the valve head 9 is raised from off its seat.

It will be aj aar .it by suitablyy adjusting the nut 10, which may be done before bag 13 is applied, the amount of ink material allowed to enter the auxiliary chamber 12 may readily be controlled.

llhe cap 5 is provided with a cone shaped recess raised in the centre thereof as indicated at 14, which. is adapted to frictionally engage the similarly shaped end 15 of the stem 8. Y

The operation of the pen as thus described is as follows:

lVhen it is desired to til the pen with a fluid and with writing material from `the chamber 2, the cap 5 is unscrewed so as to thereby draw the stem 8 upwardly lifting the head 9 thereof from its seat on the orifice 11 of nut 10 to open orifice 1l. The bagis then depressed and released in the usual well known manner, for example as illustrated in my (3o-pending application last above identified, and liquid drawn thereinto by suction which suction simultaneously therewith drains the inlr material which has theretofore entered the auxiliary chamber 12. As soon as the bag 13 has again become expanded the cap 5 is again screwed into tight position forcing th valve head 9 on to its seat on the nut 10. llVhen it is desired to replenish the. inl: material in the chamber 2, the cap 5 is unscrewed and removed, the partition 6 preventing the stem and valve head 8 and 9 from being withdrawn, and also serving,- to unloosen the curved end 15 of the stein 8 from its similarly shaped seat in the cap 5.

Ti/.any modifications and changes in details will readily occur to those skilled in the art without departino from the spirit and scope of my in -ention as donned in the claims.

llavincY now set forth the obg'ects and nature of my invention, and havingshown and described a structure embodying the principle thereof, what l claim as new and useful and of my own invention and desire to acquire by Letters Patent, is

1. 1n a fountain pen of the self-filling type, a reservoir bag adapted to contain a Huid, an inlr chamber, a normally closed communication passage between said bag and said chamber and means for opening said passage to allow the bag by suction to draw a pre-determined amount of concenrtrate-d inl; into said bag at the end opposite thereof to which water is drawn thereinto.

2. In a fountain pen of the self-filling type, areservoir bag adapted to contain a fluid, an ink chamber, a normally closed communication passage between said bag at lone end thereof and said chamber, and means for opening said passage to allow the bag by suction to draw a predetermined amount of concentrated inl; into said bag simultaneously with the lling of said bag through the opposite end thereof.

3. ln a fountain pen and in conibination with a barrel, a bag reservoir contained therein, of an ink chamber supported by said barrel at the end thereof opposite to the point of said pen and provided with means for attachment to said bag, an auxiliary Chamber formed in said inl( chamber and in communication with said in'lr chamber and said bag, and means for controlling said communications as and for the purpose described.

d. 1n a fountain pen and in combination with a barrel, a bag reservoir container; therein, an ink chamber supported by said Abarrel at the end thereof opposite to the point of said pen and provided with means for attachment to said bag, an auxiliary chamber formed in said inl; chamber having` openings in communication with said inl: chamber and sai-d bag, a valve for controlling' said openings and means for controlling said valve.

ln a fountain pen and in combination with a barrel, a bag reservoir contained therein, an ink chamber supported by said barrel at the end thereof opposite to lthe point of said pen and provided with means for attachment to said bag, an auxiliary chamber formed in said ink chamber and in communication with said inl; chamber and said bag, and means vcontrolled exterior to said pen for controllingsaid valve.

6. 1n a fountain pen and in combination with a barrel7 a bag reservoir contained therein, of an vink chamber supported by said barrel at the end opposite to the pen peint thereof, and provided with means for attachment to aid bag, an auviliary coinpartment inte odiate `to said inlr. chamber and said bag and Ain communication with both thereof, a. valve for controlling the communication between said compartment and said bag and. chamber, a cap for the end of said pen and means controlled by said cap for controlling said valve` in testimony whereof l have hereunto set my hand on this 6" day of May il. D., 1921.

.ARTHUR WINTER. 

